diff --git a/AppCast/Gemfile.lock b/AppCast/Gemfile.lock
index a5e40a6..dafd74c 100644
--- a/AppCast/Gemfile.lock
+++ b/AppCast/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.6)
       tzinfo (>= 1.0.0)